Hair drug testing: Many street drugs (or their breakdown products in the body) are absorbed into the hair. A sample of hair can be tested for recent drug use. Hair analysis: Testing of hair for toxic exposures, such as lead or mercury poisoning.
Gas Water Heater, water not hot enough-Thermostat or Sediment. The dip tube probably disintigrated. The dip tub sends cold water to the bottom of the tank for heating when its heated it rises to the top of the tank. Its possible that the dip tube broke of and now you have cold water mixing with the hot water on top.
Some common problems for all Hot Water Heaters are, ' Pressure Relief Valves ', ' Leaking Water Heaters ' and the ' Water Heater Drain Valve '. It could be if you do not have any hot water and you have an electric hot water heater.Sometimes the problem is too little hot water. There are a handful of items that can malfunction or wear out on an electric water heater. See if you can locate your problem and whether it is practical for you to fix it.ome common problems for all Hot Water Heaters are, ' Pressure Relief Valves ', ' Leaking Water Heaters ' and the ' Water Heater Drain Valve '. It could be if you do not have any hot water and you have an electric hot water heater.